Self closing spout



FIG. 1 is a side perspective view of a self closing spout as described above including the separable nut, showing my new design;

FIG. 2 is a front view of a self closing spout including the separable nut, showing my new design;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The elements shown in broken lines represent portions of the self closing spout which form no part of the claimed design. 

CLAIM The ornamental design for a self closing spout, as shown and described. 